1.\" Copyright (c) 2011 Kai Wang 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $Id: dwarf_find_macro_value_start.3 3640 2018-10-14 14:09:13Z jkoshy $ 26.\" 27.Dd March 26, 2011 28.Dt DWARF_FIND_MACRO_VALUE_START 3 29.Os 30.Sh NAME 31.Nm dwarf_find_macro_value_start 32.Nd return the address of the first byte of a macro value 33.Sh LIBRARY 34.Lb libdwarf 35.Sh SYNOPSIS 36.In libdwarf.h 37.Ft char * 38.Fo dwarf_find_macro_value_start 39.Fa "char *macro_string" 40.Fc 41.Sh DESCRIPTION 42Given a DWARF macro string, function 43.Fn dwarf_find_macro_value_start 44returns a pointer to the first byte of the macro value part of the 45macro string. 46.Pp 47Argument 48.Ar macro_string 49should be a NUL-terminated string conforming to the macro format 50defined in the DWARF standard; see 51.Xr dwarf 4 . 52.Sh RETURN VALUES 53On success, function 54.Fn dwarf_find_macro_value_start 55returns a pointer to the first byte of the macro value. 56If the macro value part was not found, function 57.Fn dwarf_find_macro_value_start 58returns a pointer to the NUL-byte terminating argument 59.Ar macro_string . 60.Pp 61Function 62.Fn dwarf_find_macro_value_start 63returns NULL if argument 64.Ar macro_string 65was NULL. 66.Sh SEE ALSO 67.Xr dwarf 3 , 68.Xr dwarf_get_macro_details 3 69